PenWare Systems, Inc.
1Patents
0Active
1Granted
22Portfolio score
Filing activity: Sep 27, 1996 → Sep 27, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5912662A | Writing instrument | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.